; Product (B) of this reaction is :
1. | 2. | ||
3. | 4. |
Cyclopentadiene is much more acidic than cyclopentane, beacuse -
1. | Cyclopentadiene has conjugated double bonds. |
2. | Cyclopentadiene has both sp2 and sp3 hybridized carbon atoms. |
3. | Cyclopentadiene is a strain-free cyclic system. |
4. | Cyclopentadienyl anion ion, the conjugate base of cyclopentadiene, is an aromatic species and hence has higher stability. |
The compounds among the following that can be generated by Friedel craft acylation is/are -
I. | |
II. | |
III. | |
IV. |
1. | II, III and IV | 2. | I, III and IV |
3. | I and II | 4. | II and III |
The product B in the above-mentioned reaction is:
1. | 2. | ||
3. | 4. |
The major product obtained in the given reaction is:
1. | 2. | ||
3. | 4. |
The deactivating but ortho-para directing benzene ring substituent among the following is-
1. -N=O
2. -OCH3
3. -COCH3
4. -NO2
Which of the following organic chlorides will not give a Friedel-Craft alkylation product when heated with benzene and AlCl3/FeCl3?
1. | (CH3)3CCl | 2. | CH2=CHCH2Cl |
3. | CH3CH2Cl | 4. | CH2=CHCl |
Which of the following is aromatic?
1.
2. (Carbene)
3.
4. (Carbene)
The compound X in the above reaction is:
1. | 2. | ||
3. | 4. |
Give a simple test to differentiate cyclohexane and cyclohexene :
1. Br2/H2O
2. Baeyer's reagent
3. Tollen's reagent
4. Both (1) and (2)